Description

1,3-Benzenedicarboxylic Acid, 5-(Methylthio)- is a specialized aromatic dicarboxylic acid derivative, distinguished by the presence of a methylthio substituent. This compound serves as a high-value chemical intermediate and building block for the synthesis of advanced materials and active pharmaceutical ingredients (APIs). It is primarily required by R&D laboratories and industrial manufacturers in the pharmaceutical, agrochemical, and specialty polymer sectors seeking to incorporate unique sulfur-containing motifs into their molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly those targeting specific enzyme inhibitors or receptor modulators.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and plant growth regulators that benefit from the sulfur moiety.
• Ligand and Catalyst Development: Serves as a precursor for creating specialized ligands used in transition metal catalysis and coordination chemistry.
• Polymer Modification: Incorporated into polyamides, polyesters, or other condensation polymers to impart modified thermal, solubility, or mechanical properties.
• Material Science Research: Employed in the development of metal-organic frameworks (MOFs), covalent organic frameworks (COFs), and other porous materials.
• Organic Synthesis Reagent: Utilized in academic and industrial R&D for constructing complex, sulfur-functionalized organic molecules.

Basic Information

Product Name	1,3-Benzenedicarboxylic Acid, 5-(Methylthio)-
CAS No.	1822671-24-8
Molecular Formula	C9H8O4S
Molecular Weight	212.22 g/mol
Synonyms	5-(Methylthio)isophthalic Acid; 5-(Methylsulfanyl)benzene-1,3-dicarboxylic Acid; 5-Methylthio-1,3-benzenedicarboxylic Acid; 5-(Methylmercapto)isophthalic Acid; 5-Methylsulfanylisophthalic Acid; 1,3-Benzenedicarboxylic acid, 5-(methylthio)-; Isophthalic acid, 5-(methylthio)-
EINECS	Contact for details

Quality Control

Our 1,3-Benzenedicarboxylic Acid, 5-(Methylthio)- is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the exacting standards required for research and industrial synthesis. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong acids and incompatible materials. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.